G4MonopolePhysics.cc

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// $Id: G4MonopolePhysics.cc 107526 2017-11-21 07:17:43Z gcosmo $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4MonopolePhysics
//
// Author:      V.Ivanchenko 13.03.2005
//
// Modified:
//
//  12.07.10  S.Burdin (changed the magnetic and electric charge variables 
//            from integer to double)
//----------------------------------------------------------------------------
//
//
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#include "G4MonopolePhysics.hh"
#include "G4MonopolePhysicsMessenger.hh"

#include "G4Monopole.hh"
#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"

#include "G4StepLimiter.hh"
#include "G4Transportation.hh"
#include "G4MonopoleTransportation.hh"
#include "G4hMultipleScattering.hh"
#include "G4mplIonisation.hh"
#include "G4mplIonisationWithDeltaModel.hh"
#include "G4hhIonisation.hh"
#include "G4hIonisation.hh"

#include "G4PhysicsListHelper.hh"

#include "G4BuilderType.hh"
#include "G4SystemOfUnits.hh"

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G4MonopolePhysics::G4MonopolePhysics(const G4String& nam)
  : G4VPhysicsConstructor(nam), fMpl(nullptr)
{
  fMagCharge = 1.0;
  //  fMagCharge = -1.0;
  //  fElCharge  = -50.0;
  fElCharge  = 0.0;
  fMonopoleMass = 100.*GeV;
  SetPhysicsType(bUnknown);
  fMessenger = new G4MonopolePhysicsMessenger(this);
}

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G4MonopolePhysics::~G4MonopolePhysics()
{
  delete fMessenger;
}

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void G4MonopolePhysics::ConstructParticle()
{
  fMpl = G4Monopole::MonopoleDefinition(fMonopoleMass, fMagCharge, fElCharge);
}

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void G4MonopolePhysics::ConstructProcess()
{
  if(verboseLevel > 0) {
    G4cout << "G4MonopolePhysics::ConstructProcess" << G4endl;
  }
  
  G4PhysicsListHelper* ph = G4PhysicsListHelper::GetPhysicsListHelper();
  G4ProcessManager* pmanager = fMpl->GetProcessManager();
  
  // defined monopole parameters and binning

  G4double magn = fMpl->MagneticCharge();
  G4double emin = fMonopoleMass/20000.;
  if(emin < keV) { emin = keV; }
  G4double emax = std::max(10.*TeV, fMonopoleMass*100);
  G4int nbin = G4lrint(10*std::log10(emax/emin));

  // dedicated trasporation 
  if(magn != 0.0) {
    pmanager->RemoveProcess(0);
    pmanager->AddProcess(new G4MonopoleTransportation(fMpl),-1, 0, 0);
  }

  if(fMpl->GetPDGCharge() != 0.0) {
    G4hIonisation* hhioni = new G4hIonisation();
    hhioni->SetDEDXBinning(nbin);
    hhioni->SetMinKinEnergy(emin);
    hhioni->SetMaxKinEnergy(emax);
    ph->RegisterProcess(hhioni, fMpl);
  }
  if(magn != 0.0) {
    G4mplIonisation* mplioni = new G4mplIonisation(magn);
    mplioni->SetDEDXBinning(nbin);
    mplioni->SetMinKinEnergy(emin);
    mplioni->SetMaxKinEnergy(emax);
    ph->RegisterProcess(mplioni, fMpl);
  }
  ph->RegisterProcess(new G4StepLimiter(), fMpl);
}

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void G4MonopolePhysics::SetMagneticCharge(G4double val)
{
  fMagCharge = val;
}

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void G4MonopolePhysics::SetElectricCharge(G4double val)
{
  fElCharge = val;
}

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void G4MonopolePhysics::SetMonopoleMass(G4double mass)
{
  fMonopoleMass = mass;
}

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